1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2020 Facebook */
3 
4 #include <test_progs.h>
5 #include <time.h>
6 #include "test_vmlinux.skel.h"
7 
8 #define MY_TV_NSEC 1337
9 
10 static void nsleep()
11 {
12 	struct timespec ts = { .tv_nsec = MY_TV_NSEC };
13 
14 	(void)syscall(__NR_nanosleep, &ts, NULL);
15 }
16 
17 void test_vmlinux(void)
18 {
19 	int duration = 0, err;
20 	struct test_vmlinux* skel;
21 	struct test_vmlinux__bss *bss;
22 
23 	skel = test_vmlinux__open_and_load();
24 	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
25 		return;
26 	bss = skel->bss;
27 
28 	err = test_vmlinux__attach(skel);
29 	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
30 		goto cleanup;
31 
32 	/* trigger everything */
33 	nsleep();
34 
35 	CHECK(!bss->tp_called, "tp", "not called\n");
36 	CHECK(!bss->raw_tp_called, "raw_tp", "not called\n");
37 	CHECK(!bss->tp_btf_called, "tp_btf", "not called\n");
38 	CHECK(!bss->kprobe_called, "kprobe", "not called\n");
39 	CHECK(!bss->fentry_called, "fentry", "not called\n");
40 
41 cleanup:
42 	test_vmlinux__destroy(skel);
43 }
44